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mirror of https://github.com/PostHog/posthog.git synced 2024-11-30 19:41:46 +01:00
posthog/hogvm/python/objects.py
2024-08-29 14:28:50 +02:00

85 lines
2.1 KiB
Python

from dataclasses import dataclass
from typing import Any, Optional
@dataclass
class CallFrame:
ip: int
chunk: str
stack_start: int
arg_len: int
closure: dict
@dataclass
class ThrowFrame:
call_stack_len: int
stack_len: int
catch_ip: int
def is_hog_date(obj: Any) -> bool:
return isinstance(obj, dict) and "__hogDate__" in obj and "year" in obj and "month" in obj and "day" in obj
def is_hog_datetime(obj: Any) -> bool:
return isinstance(obj, dict) and "__hogDateTime__" in obj and "dt" in obj and "zone" in obj
def is_hog_error(obj: Any) -> bool:
return isinstance(obj, dict) and "__hogError__" in obj and "type" in obj and "message" in obj
def new_hog_error(type: str, message: Any, payload: Any = None) -> dict:
return {
"__hogError__": True,
"type": type or "Error",
"message": message or "An error occurred",
"payload": payload,
}
def is_hog_callable(obj: Any) -> bool:
return (
isinstance(obj, dict)
and "__hogCallable__" in obj
and "argCount" in obj
and "ip" in obj
# and "chunk" in obj # TODO: enable after this has been live for some hours
and "upvalueCount" in obj
)
def is_hog_closure(obj: Any) -> bool:
return isinstance(obj, dict) and "__hogClosure__" in obj and "callable" in obj and "upvalues" in obj
def new_hog_closure(callable: dict, upvalues: Optional[list] = None) -> dict:
return {
"__hogClosure__": True,
"callable": callable,
"upvalues": upvalues or [],
}
def new_hog_callable(type: str, arg_count: int, upvalue_count: int, ip: int, name: str, chunk: str) -> dict:
return {
"__hogCallable__": type,
"name": name,
"chunk": chunk,
"argCount": arg_count,
"upvalueCount": upvalue_count,
"ip": ip,
}
def is_hog_upvalue(obj: Any) -> bool:
return (
isinstance(obj, dict)
and "__hogUpValue__" in obj
and "location" in obj
and "closed" in obj
and "value" in obj
and "id" in obj
)